Leaflet - Control to show/hide a GeoJSON layer that has been added with AJAX through jQuery

leaflet-jquery-geojson-layer-control.js

/*
 * This example shows how to add a layer list to a map where users can check and uncheck boxes to show and hide layers.
 * The code below is combined with the code to add geojson to a map, since those two things are often used together.
 * The code consists of five main parts:
 *    1. Create the basemap(s) and layer(s)
 *    2. Get geojson data and run a function to add it to a layer from step 1
 *    3. Create the function that will be run in step 2
 *    4. Create the list of layers that will appear in the control component
 *    5. Create the control component
 */

/* 1 */
// create a basemap
let streets = L.tileLayer( 'https://{s}.tile.openstreetmap.org/{z}/{x}/{y}.png' ).addTo( map )
// create an operational layer that is empty for now
let mylayer = L.layerGroup().addTo( map )

/* 2 */
// fill that layer with data from a geojson file
jQuery.getJSON( "https://example.com/layer.geojson", function( json ){
  L.geoJSON( json, {
    onEachFeature: addMyData,
  })
})

/* 3 */
// This function is run for every feature found in the geojson file. It adds the feature to the empty layer we created above
function addMyData( feature, layer ){
  mylayer.addLayer( layer )
  // some other code can go here, like adding a popup with layer.bindPopup("Hello")
}

/* 4 */
// These options will appear in the control box that users click to show and hide layers
let basemapControl = {
  "My Basemap": streets, // an option to select a basemap (makes more sense if you have multiple basemaps)
}
let layerControl = {
  "My Layer": mylayer, // an option to show or hide the layer you created from geojson
}

/* 5 */
// Add the control component, a layer list with checkboxes for operational layers and radio buttons for basemaps
L.control.layers( basemapControl, layerControl ).addTo( map )

thank you!! is there any way to set the selection of the layers to be mutually exclusive instead of checkboxes like with the basemaps?

thanks for sharing
🙏